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My car seems to be "gurgling" on start-up coming from dashboard/heat/air area.
2003 Toyota Highlander

My car seems to be "gurgling" on start-up coming from dashboard/heat/air area.

(2003 Toyota Highlander)
It happens most days, and doesn't "gurgle" for my entire ride. Ie, it will stop after a period of time and 'not always'. I haven't noticed it more/less based on temperature (ie happens more on HOT days or COLD days), and also-I can fiddle with turning on the heat/air/defrost and it will go away but it's not "ONE" thing that makes it stop.

Is it a bubble in the compressor, is it going to get worse over a cold Chicago winter, will it make my heat stop working? Is it something mechanical, something dangerous or a quick/easy/cheap fix?
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Popular Answer
of The Pit Shop Garage on August 09, 2016
Hi,

The sound is most likely coming from the heater core. If the cooling system ( antifreeze ) is low, or the heater core has an air pocket the gurgle sound can happen. Have a repair shop check your cooling system level.

The sound can also come from the A/C system, however this is usually only if the A/C is turned on
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General Diagnosis
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of The Pit Shop Garage on August 09, 2016
Hi,

The sound is most likely coming from the heater core. If the cooling system ( antifreeze ) is low, or the heater core has an air pocket the gurgle sound can happen. Have a repair shop check your cooling system level.

The sound can also come from the A/C system, however this is usually only if the A/C is turned on
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